/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package kafka.security.auth

import kafka.common.{BaseEnum, KafkaException}

/**
 * Different operations a client may perform on kafka resources.
 */

sealed trait Operation extends BaseEnum

case object Read extends Operation {
  val name = "Read"
}

case object Write extends Operation {
  val name = "Write"
}

case object Create extends Operation {
  val name = "Create"
}

case object Delete extends Operation {
  val name = "Delete"
}

case object Alter extends Operation {
  val name = "Alter"
}

case object Describe extends Operation {
  val name = "Describe"
}

case object ClusterAction extends Operation {
  val name = "ClusterAction"
}

case object All extends Operation {
  val name = "All"
}

object Operation {
  def fromString(operation: String): Operation = {
    val op = values.find(op => op.name.equalsIgnoreCase(operation))
    op.getOrElse(throw new KafkaException(operation + " not a valid operation name. The valid names are " + values.mkString(",")))
  }

  def values: Seq[Operation] = List(Read, Write, Create, Delete, Alter, Describe, ClusterAction, All)
}
